AT89C51AC2-SLSUM The AT89C51AC2-SLSUM is an 8-bit microcontroller from Microchip Technology with 32KB Flash memory and 1.25KB RAM. It operates at up to 40MHz with a 3V to 5.5V supply range and is housed in a 44-PLCC package.
Mfr Part #:

AT89C51AC2-SLSUM

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT89C51AC2-SLSUM is an 8-bit microcontroller from Microchip Technology with 32KB Flash memory and 1.25KB RAM. It operates at up to 40MHz with a 3V to 5.5V supply range and is housed in a 44-PLCC package.
✓ Total Stock: 1,050 pcs

AT89C51AC2-SLSUM Available from 1 distributor

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1,050 pcs
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AT89C51AC2-SLSUM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Supplier Package
Termination Style
Voltage
Watchdog Timer

AT89C51AC2-SLSUM Description

Short technical summary and product information.

The AT89C51AC2-SLSUM is a high-performance 8-bit microcontroller based on the 80C51 core architecture from Microchip Technology. It features 32KB of on-chip Flash memory for program storage, along with 1.25KB of RAM and 2KB of EEPROM. The device operates at clock frequencies up to 40MHz and supports a supply voltage range of 3V to 5.5V, making it suitable for a wide range of embedded applications.

 

The microcontroller includes a rich set of peripherals such as a 10-bit ADC with 8 multiplexed channels, three 16-bit timers/counters, a programmable counter array (PCA) with PWM, UART/USART interfaces, and a 21-bit watchdog timer. It also features power-saving modes (Idle and Power-down) and on-chip emulation logic for easy development.

 

Packaged in a 44-pin PLCC (J-Lead) surface-mount package, the AT89C51AC2-SLSUM is designed for industrial temperature ranges from -40°C to 85°C. The memory supports 10K write/erase cycles for Flash and 100K cycles for EEPROM, with data retention of 10 years at 85°C. This combination of performance, memory, and peripherals makes it suitable for applications requiring robust control and data processing capabilities, such as industrial control, automotive electronics, and consumer appliances.

AT89C51AC2-SLSUM Quick Information

Product Type: Microcontroller
Series: 89C
Canonical Name: AT89C51AC2-SLSUM by Microchip Technology - 8-bit Microcontroller with 32KB Flash, 44-PLCC
Subcategory: Embedded Microcontrollers

AT89C51AC2-SLSUM Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead Free

AT89C51AC2-SLSUM Features

  • 32KB Flash memory with 10K cycle endurance.
  • 8-channel 10-bit ADC for analog inputs.
  • Operates from 3V to 5.5V supply voltage.
  • Industrial temperature range -40°C to 85°C.
  • Surface-mount 44-PLCC package.

AT89C51AC2-SLSUM Applications

  • Ideal for industrial control systems.
  • Used in automotive electronics.
  • Suitable for consumer appliances.
  • Applicable to embedded data acquisition.
  • Good for communications equipment with UART/USART.

AT89C51AC2-SLSUM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the AT89C51AC2-SLSUM?

It is supplied in a 44-pin PLCC (J-Lead) surface-mount package.

What is the operating temperature range?

-40°C to 85°C.

Is the device RoHS compliant?

The AT89C51AC2-SLSUM is listed as RoHS3 compliant, but this information is unverified.

What is the maximum clock frequency?

40MHz.

How much Flash memory does it have?

32KB (32K x 8).

What is the supply voltage range?

3V to 5.5V.

How many ADC channels does it have?

8 channels of 10-bit resolution.

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